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地黄真空红外辐射干燥模型

DOI: 10.3969/j.issn.1000-1298.2010.1.024

Keywords: 地黄,真空红外辐射干燥,薄层干燥,数学模型

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Abstract:

利用设计的真空红外辐射干燥箱,对中药材地黄进行了真空红外干燥研究。通过对试验值进行求对数并线性回归,确定了地黄的薄层真空红外干燥模型的形式为ModifiedPage方程,该模型与辐射板温度和干燥室压力有关,并得到了各参数的表达式和数值。试验值和模型预测值比较说明,该模型能很好地描述和预测地黄真空红外干燥的水分比变化规律。

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